Add content negotiation via custom MIME types (#1573)#2189
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jeremydmiller merged 2 commits intomainfrom Feb 15, 2026
Merged
Add content negotiation via custom MIME types (#1573)#2189jeremydmiller merged 2 commits intomainfrom
jeremydmiller merged 2 commits intomainfrom
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…1573) Allow multiple HTTP endpoints to share the same route and HTTP method, differentiated by Content-Type header using [AcceptsContentType] attribute. Uses ASP.NET Core MatcherPolicy to filter candidates during routing and supports RFC 6839 +json suffix types for JSON deserialization. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
…ame route OpenAPI 3.0 doesn't support multiple operations with the same path+method, so configure ResolveConflictingActions for Swashbuckle compatibility. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This was referenced Feb 17, 2026
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Summary
[AcceptsContentType]attribute to allow multiple HTTP endpoints sharing the same route + HTTP method, differentiated byContent-TypeheaderMatcherPolicy(ContentTypeEndpointSelectorPolicy) to filter candidate endpoints during routing based on request Content-Type+jsonsuffix types (e.g.application/vnd.item.v1+json) for JSON deserialization inHttpHandlerMetadata.Accepts()for custom content typesCloses #1573
Test plan
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